A Queue in the data structure is a linear structure which follows a particular order in which all operations to be performed. The order is First In First Out (FIFO) used in Queue.

S.no Stack Queue
1. Stack has only one end for inserting and deleting the data elements The queue has two terms, one for enqueuing the data and other for dequeuing the data elements.
2. There are no variants in Stack In queue, there are variants like a circular queue, priority queue, double ended queue
3. Stack uses only one pointer for its one end. Queue used 2 pointers for its two ends Rear and Front
3. Operations performed are Push() and Pop() Operations performed are enqueue() and dequeue()
BY Best Interview Question ON 02 Feb 2019